{"id":"CVE-2026-16259","aliases":["EUVD-2026-68042","GHSA-p38m-pp69-pr2w"],"status":"published","title":"Uix UserCenter \u003c= 1.0.3 - Unauthenticated Privilege Escalation","description":"The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the account being modified through an unauthenticated profile-update action belongs to the requester, and it authenticates that action with a token whose signing key is hardcoded and identical across every install, allowing unauthenticated attackers to forge a token for any user, overwrite an administrator's email and password, and take over the account.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00498,"percentile":0.4304,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2026-08-29T06:00:18Z","modified":"2026-08-31T20:14:36Z","products":[{"vendor":"unknown","product":"uix usercenter"}],"references":[{"url":"https://wpscan.com/vulnerability/e551128c-c9b1-4e6a-a2aa-92830b7a4887/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16259"},{"url":"https://wpscan.com/vulnerability/e551128c-c9b1-4e6a-a2aa-92830b7a4887"},{"url":"https://github.com/advisories/GHSA-p38m-pp69-pr2w"}],"sources":{"cve":[{"id":"CVE-2026-16259","title":"Uix UserCenter \u003c= 1.0.3 - Unauthenticated Privilege Escalation","description":"The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the account being modified through an unauthenticated profile-update action belongs to the requester, and it authenticates that action with a token whose signing key is hardcoded and identical across every install, allowing unauthenticated attackers to forge a token for any user, overwrite an administrator's email and password, and take over the account.","status":"published","published":"2026-08-29T06:00:18.968Z","modified":"2026-08-30T00:56:53.643Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-68042","description":"The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the account being modified through an unauthenticated profile-update action belongs to the requester, and it authenticates that action with a token whose signing key is hardcoded and identical across every install, allowing unauthenticated attackers to forge a token for any user, overwrite an administrator's email and password, and take over the account.","status":"published","published":"2026-08-29T06:00:18Z","modified":"2026-08-30T00:56:53Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:21.466916Z"}],"ghsa":[{"id":"GHSA-p38m-pp69-pr2w","title":"The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the account being modified...","description":"The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the account being modified through an unauthenticated profile-update action belongs to the requester, and it authenticates that action with a token whose signing key is hardcoded and identical across every install, allowing unauthenticated attackers to forge a token for any user, overwrite an administrator's email and password, and take over the account.","status":"published","published":"2026-08-29T06:30:23Z","modified":"2026-08-30T03:32:22Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:11:10.168906Z"}],"nvd":[{"id":"CVE-2026-16259","description":"The Uix UserCenter WordPress plugin through 1.0.3 does not verify that the account being modified through an unauthenticated profile-update action belongs to the requester, and it authenticates that action with a token whose signing key is hardcoded and identical across every install, allowing unauthenticated attackers to forge a token for any user, overwrite an administrator's email and password, and take over the account.","status":"published","published":"2026-08-29T06:17:00.36Z","modified":"2026-08-31T20:14:36.25Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:12:42.366888Z"}]}}